Geotechnical & Environmental Services, Inc. (GES) Email Format

Civil EngineeringNevada, United States51-200 Employees

Geotechnical & Environmental Services, Inc. (GES) operates as a civil engineering firm that specializes in geotechnical analysis, construction materials testing and inspections, and environmental consulting. Based in Las Vegas, Nevada, the company maintains offices in Nevada, Utah, and Arizona to serve a Southwest market. Its approach centers on understanding client expectations and delivering outcomes, with the aim of supporting a professional environment in the western United States where qualified professionals want to work.

GES was established in 1992 by Gregory P. DeSart, P.E., C.E.M., and has contributed to projects across commercial, residential, and infrastructure sectors in the Southwest. The firm has earned recognition from government agencies in the region and is described as a best place to work. In July 2025, Ges West announced the promotion of William Ty Miller to Northern Nevada Engineering Lead, reflecting ongoing leadership development within its Nevada operations.

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